AstonJ

AstonJ

Kicking this thread of with the now infamous talk by Dave Thomas (or at least the best recording of it I can find) - please add any you feel are worth sharing :slightly_smiling:

First Post!

AstonJ

AstonJ OP

Josh Adams - Introduction to Elixir for Rubyists

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jessejanderson

jessejanderson

I’ve been really diving into learning OTP over the past few months. It was really hard for me to understand for a long time, but it’s finally starting to click! OTP is AWESOME.

I recently gave a talk on OTP at my local meetup walking through the basics, hoping to help spare others my initial anguish of trying to understand it all. It assumes no prior knowledge of Elixir or OTP (though understanding basic Elixir syntax and its data structures is helpful).

Let me know if you enjoy the talk, would love to hear any other (kind) feedback! :slight_smile:

hubertlepicki

hubertlepicki

Whoo hoo looks like the video guys silently published videos of my and @michalmuskala’s talks on latest Elixir Warsaw meetup :slight_smile: //cc @marioosh

AstonJ

AstonJ OP

Last Post!

bryanhunter

bryanhunter

Waterpark: Distributed Actors vs the Pandemic"

I recently spoke at Strange Loop 2021 about the work my team at HCA Healthcare has been doing. This tells a story of research, high-level business needs, tailor-made components, and low-level code coming together to do good in the world. Happy to answer questions. Hope you enjoy!

Abstract:

At HCA Healthcare we own and operate 185 hospitals, and around 2,000 surgery centers, freestanding emergency rooms, and clinics. Our scale breaks many vendor products. In 2018 we began building “Waterpark”, which would become the company’s next-gen integration platform (one-part streaming system, one-part distributed database). We chose the ErlangVM and Elixir for fault-tolerance and productivity. When COVID-19 arrived, an interesting tech story became something more serious; more essential.

In this talk we will discuss:

  • how the actor model maps so well onto healthcare
  • the virtues of wheel reinvention
  • how a big, Fortune 100 company can be more fun and innovative than a startup
  • how we transitioned from proof-of-concept mode to continuously available (no planned or unplanned downtime) in three weeks
  • how we use Erlang’s hot code loading (for real) in a production cluster spread across four data centers
  • how the wisdom of “Papers We Love” is indistinguishable from magic,
  • how my hero and friend Joe Armstrong (from beyond the grave) helped make American nursing home residents safer during COVID-19

Specifically, we will discuss process pairs, long-lived digital twins, no-masters, bloom filters, rendezvous hashing, our recipes for continuous availability, location transparency, open sourcing our HL7 libraries, and using the bit-syntax for clinical data.

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